Aesthetics-wise, it doesn't get more different than Ariana Grande and Billie Eilish ... button-down and maroon neck tie, for a take on the office siren aesthetic. Eilish, on the other hand ...

Billie Eilish has made her ... the fisherman aesthetic. Eilish wore a black Prada look complete with baggy trousers, a white button-down shirt layered under a quarter lace-up black collared ...